Bulk Density 6 : The weight of a unit volume of powder, usually expressed in grams per cubic centimetre (g/cm3). It is defined by a specific method. Apparent density is an alternate, but less commonly used, term for bulk density
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}